Terminal-Bench 4.0 Leaderboard 2026: AI Models & Agents Ranked by Real CLI Work
Terminal-Bench 4.0 public board remains led by Opus 5.5 (64.8%). Adds separate October results for Muse Wonder Full/Wonder, Step 5 Preview, and Mistral Large 4; no cross-harness ranks. Updated Oct 16, 2026.
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· Abdeladim Fadheli